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java.lang.Objectjava.lang.ClassLoader
net.datacrow.core.plugin.PluginClassLoader
public class PluginClassLoader
Field Summary | |
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protected java.util.Map<java.lang.String,java.lang.Class<?>> |
cache
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protected java.util.Collection<java.io.File> |
jarFiles
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protected java.lang.String |
path
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Constructor Summary | |
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PluginClassLoader(java.lang.String path)
Creates a new PluginClassLoader that searches in the directory path passed as a parameter. |
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PluginClassLoader(java.lang.String path,
boolean callSuper)
This version of the constructor is used when ImageJ is launched using Java WebStart. |
Method Summary | |
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java.net.URL |
getResource(java.lang.String name)
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java.io.InputStream |
getResourceAsStream(java.lang.String name)
Returns a resource from the path or JAR files as an InputStream |
java.lang.Class<?> |
loadClass(java.lang.String className)
Returns a Class from the path or JAR files. |
java.lang.Class<?> |
loadClass(java.lang.String className,
boolean resolveIt)
Returns a Class from the path or JAR files. |
protected byte[] |
loadClassBytes(java.lang.String name)
This does the actual work of loading the bytes from the disk. |
Methods inherited from class java.lang.ClassLoader |
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clearAssertionStatus, defineClass, defineClass, defineClass, defineClass, definePackage, findClass, findLibrary, findLoadedClass, findResource, findResources, findSystemClass, getPackage, getPackages, getParent, getResources, getSystemClassLoader, getSystemResource, getSystemResourceAsStream, getSystemResources, resolveClass, setClassAssertionStatus, setDefaultAssertionStatus, setPackageAssertionStatus, setSigners |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Field Detail |
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protected java.lang.String path
protected final java.util.Map<java.lang.String,java.lang.Class<?>> cache
protected final java.util.Collection<java.io.File> jarFiles
Constructor Detail |
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public PluginClassLoader(java.lang.String path)
path
- the path to the plugins directory.public PluginClassLoader(java.lang.String path, boolean callSuper)
Method Detail |
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public java.net.URL getResource(java.lang.String name)
getResource
in class java.lang.ClassLoader
public java.io.InputStream getResourceAsStream(java.lang.String name)
getResourceAsStream
in class java.lang.ClassLoader
name
- a resource name.public java.lang.Class<?> loadClass(java.lang.String className) throws java.lang.ClassNotFoundException
loadClass
in class java.lang.ClassLoader
className
- a class name without the .class extension.
java.lang.ClassNotFoundException
public java.lang.Class<?> loadClass(java.lang.String className, boolean resolveIt) throws java.lang.ClassNotFoundException
loadClass
in class java.lang.ClassLoader
className
- a String class name without the .class extension.
resolveIt a boolean (should almost always be true)
java.lang.ClassNotFoundException
protected byte[] loadClassBytes(java.lang.String name)
name
- a class name without the .class extension.
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